Home / 3,837,320.20-5,295,363.04-2,118,403.72

Finding the Fourth Proportional to 3,837,320.20, 5,295,363.04 and 2,118,403.72

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Solution

The fourth proportional to 3,837,320.20, 5,295,363.04 and 2,118,403.72 is: 2,923,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837,320.20 : 5,295,363.04 = 2,118,403.72 : x
  2. Step 2: Convert to fraction form
    3,837,320.20/5,295,363.04 = 2,118,403.72/x
  3. Step 3: Cross multiply
    3,837,320.20x = 5,295,363.04 × 2,118,403.72
  4. Step 4: Simplify right side
    3,837,320.20x = 11,217,716,762,686.51
  5. Step 5: Solve for x
    x = 11,217,716,762,686.51/3,837,320.20
  6. Step 6: Final answer
    x = 2,923,320.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.